Where does “Eastóinis” come from?

Eastóinis (Irish) comes from Irish -is, from Old Irish -as, from Proto-Celtic -assus, from Proto-Indo-European -ad-tus.

Eastóinis (Irish): the Estonian language

Definitions

  1. the Estonian language

Ancestry of “Eastóinis”, step by step

StepLanguageWordMeaning
1Irish-is-ish, -ese; inflection of -eas: ##...
2Old Irish-asNominal suffix, used to form abstract ideas or...
3Proto-Celtic-assus—
4Proto-Indo-European-ad-tus—
Every word from Proto-Indo-European -ad-tus →Every word from Irish -is →Every word from Old Irish -as →